Engine



1,581,065 C. B. KING ENGINE Filed May 6 1925 2 Sheets-Sheet 1 April 131926,

WITNESS:

C. B. KING April 13 1926.

lamGINEl Filed May 6 1925 2 Sheets-Sheet 2 R, ws.

INVENTOR imm ATTORNEY WITNESS:

Patented Apr. 13, 1926.

CARL is.y KING, oF snoiaiviaxnn, NEW MEXICO.

*ENGINE Application -1ed May 6, 1925. Serial `N'o. '2S-,431;

T0 l, all 'whom it may concern Be it knownthat I, CARL B. KING, acitizen -of the United States, residing at Shoemaker, in the county ofMora and State of New Mexico, have invented new and useful Improvementsin Engines, of which the following is a specification.

This linvention relates vto internal coinbustion-engines, particularlyto the cylinder construction thereof, and has for its-objecttheprovision of a novel engine or engine cylinder embodying a springpressed sleeve arranged in surrounding relation to the. usual piston andvacting automatically to give the ,proper space for combustionregardless o f whetherfon a full or partial charge of gas or explosivemixture.

-An import-ant object is the pro-vision of an engine of this characterso Constructed and arranged as to insure a more complete exhaust, abetter mixture for iiring, a quicker expansion of the gas, bettercooling conditions, the -relieving ofthe strain on t-he bearingsespecially at the time of firing, 1 the above mentioned advantages lorconditions naturally resulting in the production of greater power withless fuel `consumption.

A more specific object is the provision of an engine in which thecylinder is equipped with the sleeve which is spring pressed toward thecrank shaft, the sleeve being more ovei heated and containing theignition device, commonly a lspark plug.

\Anadditonal`object is the provision kof an engine of this characterwhich will be comparative simple and inexpensive in manufacture, highlyefficient and durable in use and a general improvement inthe art.

With the above and other objects and advantages in view, the inventionconsists in the details of construction to 'be liereinafter more fullydescribed and claimed and illustrated in the accompanying drawings inwhich:

Figure 1 is a transverse vertical section taken through an engineconstructed in accordance to my invention, the parts being shown in oneposition, and

Figures 2, 3 aiid 4 are similar views with the various parts shown indifferent positions or at different points `in the stroke of the piston.

Referring more particularly to the drawings, the numeral 10 designatesthe usual crank `case upon which is mounted the cylinder casting orblock 11, while 12 represage-of fuel'imiXture from theinlet `16 to`thef'chamber 217 is controlled by a. valve 19 here disclosed as beingAof. the V'tappet or poppet type, which valve Vhas the usual stem (lil20 .slidable vthrougha guide 21 land held, Y by aspring 22, inengagement with a push rod 23 actuated by means of the usual cam idevice 24. The exact mechanism for `operatingthe cam devices is notshown as it formsno part of the present invention.` It

should also `be stated that it is preferable to provide the usual waterjacket 25 for the purpose ofeifecting cooling of the en-V gine cylinder.Vhile cylinder is referred to it should be understood that of coursethere may be any desired number of ycylinders, all of which would beconstructed in the same manner. v Y l The lessential feature oftheinvention lies intheprovision of asleeve y26 which .is of the elongatedcylindrical form and which iits-slidably within the cylinder A11'. Thissleeve has its bottom or end toward Vthc crank casevopen andits otherend provided with a head-27 at the center of which is vanupstandingVtubular projection'28 slidable throughthe opening in the top wall 14 ofthe casting or cylinder block. The spark plug 429- of Aany ordinary orpreferred type is located within the tubular extension 26 andisthreadedtlirough a suitable 'hole 30' in the head 27. On the uppersurface `or top ofthe head2? is a'peiipheral upstanding flange 31 whichforms retaining means' Vlocated at the lower end of the cylinder andsecured in anydesired manner as for example by means of a screw 34 orany desired number of screws. The usual piston 35 is of course slidablymounted within the sleeve 26 and has connected therewith the miv usualconnecting rod 36 which is in turn connected with the crank portion ofthe crank shaft. In one side the sleeve 2 6 is formed with a port 37designed to be brought into registration with the inlet port 18. Quitenaturally, the exhaust `valve structure is identically the same thoughthisv early part of power stroke` and the-'spring further acts to bringthepower of the explosion farther down yon the stroke instead of wastingpower,;under extreme pressure, past the rings and valves. n In order tokee-p the top of the cylinder sleeve 26 cool and to facilitatevaporization ofthe incoming charge sovv that custo-mary combustibilitywill be increasechit is preferable that the chamber 38 containing thespring 32 be connected by a pipe 39 or the like with the ,air kintake ofthe carburetor so that the air drawn through the pipe 39 and furnishedto the carburetor will be warm. Obviously, no fuell mixture can enterthe sleeve through the port 18 until the sleeve is in such position thatthe yports 37 and 18 register and in this way it is apparent that thedevice will act automatically to maintain the proper balance at alltimes and insure proper and `eflicient operation ofthe engine. Ifdesired it may provide an auxil-` iary exhaust port- 40 in the cylinderfor the purpose of decreasing pressure in case of an excessive charge ofgas.

VJhile I have shown and described the preferred embodiment of theinvention, it should be understood that I reserve the right to make suchchangesin the form, construc` tion and arrangement of parts as will notdepart` from the spirit of the invention or the scopevof the sub'joinedclaims.

Having thus described the invention, I claim: v

1. In an engine including a crank case, a crank shaft journaled thereinand having crank portions, the engine further having a valve controlledfuel inlet port communicating with the cylinder, a sleeve slidablymounted within the cylinder and having its bottom open and its topclosed by a head,

a spark plug carried by the head, a spring located above the headnormally urging the sleeve downwardly, a piston slidably mount-- edwithin the sleeveiand having a connecting rod connected with the crankportion of the crank shaft, said sleeve being formed in its wall with aport adapted to register with said inlet port, the sleeve being infrictional engagementwith the piston and moved thereby in one direction.

2. In an engine including a crank case, a crank shaft joui-nailedtherein and having crank portions, the engine further having a. valvecontrolled fuel inlet port communicating with the cylinder, a sleeveslidably mounted within the cylinder and having its bottom open and itstop closed by a head, a

spark plug carried by the head, a spring located above the head normallyurging the sleeve downwardly, a piston slidably mounted within thesleeve and having a connecting rod Aconnected with the crank portion ofthe crank shaft, said sleeve being formed in its wall with a portadaptedto register with said inlet port, the cylinder -having a top wallwith a central opening, and said head having a tubular extensionslidable through said opening and formingan enclosure for the sparkplug. v In an. engine including a crank case, a crank shaft journaledtherein and having crank portions, the engine further having a valvecontrolled fuel inlet port communicating with the cylinder, a sleeves-lidably mounted within the-cylinder and having its bottom open and itstop closed by a head, a sparkplug carried by the head, a spring locatedabove the headnormally urgingthe sleeve downwardly, a piston slidablymounted within the sleeve anda connecting rodvco'nnected with the crankportion of the crank shaft, said sleeve being formed in its wall'kwith a`port adapted to register with said inletv port, the cylinder having atop wall with a central opening, said head hav-` ing a tubular extensionslidable through said opening and forming: an enclosure for the sparkplug, the top wall serving asone abutment for the spring and the headserving as the other abutment therefor. In testimony whereof I affix mysignature;

CARL B. KING.

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